/* Reset styles */
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: #f5f5f5;
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
}

/* Layout */
.app-container {
  min-height: 100vh;
  width: 100%;
  padding-top: 50px;  /* 为固定定位的头部留出空间 */
  background-color: #f5f5f5;
}

.main-content {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  min-height: calc(100vh - 50px);
}

/* Media queries */
@media (max-width: 768px) {
  .main-content {
    margin: 0 10px;
    width: calc(100% - 20px);
  }
}
